Hook attachment ring



FIG. 1 is a front view of a hook attachment ring;

FIG. 2 is a plan view of the hook attachment ring of FIG. 1;

FIG. 3 is a base view of the hook attachment ring of FIG. 1;

FIG. 4 is a right side view of the hook attachment ring of FIG. 1;

FIG. 5 is a cross-sectional view taken on line A--A of FIG. 1; and,

FIG. 6 is an explanatory view showing the hook attachment ring of FIG. 1 in use.

The broken line showing of a hook and partial straps is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for hook attachment ring, as shown. 